ATLANTA – A proposed optional third path for compliance with the ASHRAE/IES energy standard would provide more flexibility for the industry.

Addendum bm to ANSI/ASHRAE/IES (Illuminating Engineering Society) Standard 90.1-2010, Energy Standard for Buildings Except Low-Rise Residential Buildings, is currently open for public review from Oct. 12 until Nov. 26, 2012. For more information...